The Most Compact Tool Shed You’ve Ever Seen! Stellen® bonded by one everyday object to grow the value and promote excellence in products of innovation and quality. We are passionate to perfect this patented product. We started Stellen and created DOER! We re-engineered and re-designed multiple aspects of the development to make it more reliable. And we added way more functions to make DOER 12-functions-in-one-box. It's new, improved, and way more badass. It’s DOER - The Most Compact Tool Shed You’ve Ever Seen!